Natural Disaster Risk in Alpine County

Natural Hazard Profile: Alpine County, California

Alpine County is located in the United States in California, home to roughly 1,198 residents. The county experiences dry summers and mild, wet winters with pronounced drought cycles, with a critical fire season from late summer through fall shaping the natural hazards faced by its communities. FEMA assesses risk at this county level, providing the baseline for every city and ZIP code within its boundaries.

According to FEMA's National Risk Index, Alpine County carries an overall risk score of 4.2/10, placing it in the moderate category. The threat of avalanche is the primary natural hazard here, with winter snowpack instability on mountain terrain posing risks to roads, structures, and outdoor recreation activities. The area also faces notable exposure to volcano and wildfire.

Alpine County's risk score, considerably below the 5.9/10 state average and near the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Alpine County, the highest-scoring are avalanche, volcano, and wildfire. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

With a moderate risk rating, Alpine County residents are well-served by maintaining standard preparedness practices — an emergency supply kit, awareness of local hazard seasonality, and insurance that covers the top local risks. Periodic review of coverage for avalanche is recommended.